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std::piecewise_constant_distribution::piecewise_constant_distribution

STD：分段[医]常量[医]分配：：分段[医]常量[医]分布

piecewise_constant_distribution((1)(since C++11)
template< class InputIt1, class InputIt2 > piecewise_constant_distribution( InputIt1 first_i, InputIt1 last_i, InputIt2 first_w (2)(since C++11)
template< class UnaryOperation > piecewise_constant_distribution( std::initializer_list<RealType> bl, UnaryOperation fw (3)(since C++11)
template< class UnaryOperation > piecewise_constant_distribution( std::size_t nw, RealType xmin, RealType xmax, UnaryOperation fw (4)(since C++11)
explicit piecewise_constant_distribution( const param_type& parm (5)(since C++11)

构造新的分段常数分布对象。

1%29构造一个分布对象，n=1，ρ0=1，b0=0，b1=1。

2%29通过区间序列上的迭代器构造一个分布对象。[first_i, last_i)和一个匹配的权重序列从first_w...

3%29构造一个分发对象，其中从初始化程序列表中获取间隔。bl以及由函数生成的权重fw...

4%29使用nw均匀分布区间[xmin, xmax]以及由函数生成的权重fw...

5%29构造一个使用参数初始化的分发对象。param...

参数

first_i-iterator initialized to the start of the interval sequence
last_i-iterator initialized to one-past-the-end of the interval sequence
first_w-iterator initialized to the start of the density (weight) sequence
ilist_i-initializer_list yielding the interval sequnce
fw-double(double) function yielding the densities
nw-the number of densities
xmin-the lower bound of the interval sequence
xmax-the upper bound of the interval sequence
parm-the distribution parameter set

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http：//en.cppreference.com/w/cpp/数值/随机/分段[医]常量[医]分配/分段[医]常量[医]分布

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